Home / 1,505,364.70-2,077,405.24-817,036.49

Finding the Fourth Proportional to 1,505,364.70, 2,077,405.24 and 817,036.49

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Solution

The fourth proportional to 1,505,364.70, 2,077,405.24 and 817,036.49 is: 1,127,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,364.70 : 2,077,405.24 = 817,036.49 : x
  2. Step 2: Convert to fraction form
    1,505,364.70/2,077,405.24 = 817,036.49/x
  3. Step 3: Cross multiply
    1,505,364.70x = 2,077,405.24 × 817,036.49
  4. Step 4: Simplify right side
    1,505,364.70x = 1,697,315,885,597.21
  5. Step 5: Solve for x
    x = 1,697,315,885,597.21/1,505,364.70
  6. Step 6: Final answer
    x = 1,127,511.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.